Yes you were right! I must have given her too much and she just started to act strange. After about an hour her face swelling went down and shes with her kittens. Thank you so much!
My cat just had kittens 11 days ago and her face looked a little swollen so I gave her 1 CC of benadryl and she hasn't been acting the same since then. She won't leave one spot in our house, she won't eat or drink, she doesn't want people near her, and she isn't tending to her kittens. There...